Pickguard for a guitar



FIG. 1 is a front perspective view of a pickguard for a guitar showing the new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a right view thereof;

FIG. 7 is a left view thereof;

FIG. 8 is a front view thereof; and,

FIG. 9 is a perspective view thereof.

The broken line showing of a guitar in the figures represents environment only and forms no part of the claimed design. 

CLAIM The ornamental design for a pickguard for a guitar, as shown and described. 